Refactor decimalCount method and add it on a file to be used in many components

src/components/SellerSteps/WantSellComponent.vue

@@ -2,6 +2,7 @@
 import { ref } from "vue";
 import CustomButton from "../CustomButton.vue";
 import { debounce } from "@/utils/debounce";
+import { decimalCount } from "@/utils/decimalCount";
 
 // Reactive state
 const offer = ref<string | number>("");
@@ -27,16 +28,6 @@ const handleInputEvent = (event: any): void => {
   }
   validDecimals.value = true;
 };
-
-// Enable button methods
-// Check if has more than 2 decimal places
-const decimalCount = (num: Number): number => {
-  const numStr = String(num);
-  if (numStr.includes(".")) {
-    return numStr.split(".")[1].length;
-  }
-  return 0;
-};
 </script>
 
 <template>